Question

(ख) नई-नई मुसकान किसमें भरने के लिए कहा गया है? one word answer
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Answer 1

Answer:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north).